➜  ~ file initrd.img-5.17.0-rc4-cadmium 
initrd.img-5.17.0-rc4-cadmium: XZ compressed data, checksum CRC32
➜  ~ du -h initrd.img-5.17.0-rc4-cadmium 
11M	initrd.img-5.17.0-rc4-cadmium